public class Test4 {
    public static void main(String[] args) {
        int []arr = {1,2,3,4,5,6,7,8,9};
        int []tmp = new int[arr.length];
        for (int i = 0; i < arr.length; i++) {
            tmp[i] = arr[i];
        }
        for (int i = 0; i < tmp.length; i++) {
            System.out.printf("%d ", tmp[i]);
        }
    }
}
